mirror of https://git.ffmpeg.org/ffmpeg.git
avcodec/smacker: Remove write-only and unused variables
Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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@ -59,7 +59,6 @@ typedef struct SmackVContext {
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*/
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typedef struct HuffContext {
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int length;
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int maxlength;
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int current;
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uint32_t *bits;
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int *lengths;
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@ -72,7 +71,6 @@ typedef struct DBCtx {
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int *recode1, *recode2;
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int escapes[3];
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int *last;
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int lcur;
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} DBCtx;
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/* possible runs of blocks */
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@ -116,8 +114,6 @@ static int smacker_decode_tree(GetBitContext *gb, HuffContext *hc, uint32_t pref
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}
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hc->values[hc->current] = get_bits(gb, 8);
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hc->current++;
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if(hc->maxlength < length)
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hc->maxlength = length;
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return 0;
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} else { //Node
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int r;
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@ -200,14 +196,12 @@ static int smacker_decode_header_tree(SmackVContext *smk, GetBitContext *gb, int
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}
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tmp1.length = 256;
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tmp1.maxlength = 0;
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tmp1.current = 0;
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tmp1.bits = av_mallocz(256 * 4);
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tmp1.lengths = av_mallocz(256 * sizeof(int));
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tmp1.values = av_mallocz(256 * sizeof(int));
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tmp2.length = 256;
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tmp2.maxlength = 0;
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tmp2.current = 0;
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tmp2.bits = av_mallocz(256 * 4);
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tmp2.lengths = av_mallocz(256 * sizeof(int));
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@ -277,7 +271,6 @@ static int smacker_decode_header_tree(SmackVContext *smk, GetBitContext *gb, int
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ctx.last = last;
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huff.length = ((size + 3) >> 2) + 4;
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huff.maxlength = 0;
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huff.current = 0;
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huff.values = av_mallocz_array(huff.length, sizeof(int));
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if (!huff.values) {
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@ -690,7 +683,6 @@ static int smka_decode_frame(AVCodecContext *avctx, void *data,
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// Initialize
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for(i = 0; i < (1 << (bits + stereo)); i++) {
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h[i].length = 256;
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h[i].maxlength = 0;
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h[i].current = 0;
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h[i].bits = av_mallocz(256 * 4);
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h[i].lengths = av_mallocz(256 * sizeof(int));
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